Hector Sigala tweeted out the video which started out like Sanders was releasing a campaign statement, then turned to the proposal.

RELATED: Bernie Sanders in New York

12PHOTOS

Bernie Sanders NYC Washington Square rally

See Gallery

Bernie Sanders helps campaign staffer propose to girlfriend

NEW YORK, NEW YORK - APRIL 13: Attendees await the start of a campaign event for Democratic presidential candidate U.S. Senator Bernie Sanders (not pictured) at Washington Square Park on April 13, 2016 in New York City. (Photo by D Dipasupil/WireImage)

NEW YORK, NEW YORK - APRIL 13: Attendees await the start of a campaign event for Democratic presidential candidate U.S. Senator Bernie Sanders (not pictured) at Washington Square Park on April 13, 2016 in New York City. (Photo by D Dipasupil/WireImage)

Attendees hold signs in support of Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, not pictured, at a campaign event in New York, U.S., on Wednesday, April 13, 2016. Sanders stepped up his feud with General Electric Co., denouncing the manufacturer as 'greedy' and accusing Chief Executive Officer Jeffrey Immelt of not being truthful in responding to the attacks. Photographer: Victor J. Blue/Bloomberg via Getty Images

Natalia Plaza (L) and Suzanne Tufan, with their faces painted, wait for a campaign rally with U.S. Democratic presidential candidate and U.S. Senator Bernie Sanders in Washington Square Park in the Greenwich Village neighborhood of New York, New York April 13, 2016. REUTERS/Brian Snyder

An attendee wears a t-shirt in support of Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, not pictured, at a campaign event in New York, U.S., on Wednesday, April 13, 2016. Sanders stepped up his feud with General Electric Co., denouncing the manufacturer as 'greedy' and accusing Chief Executive Officer Jeffrey Immelt of not being truthful in responding to the attacks. Photographer: Victor J. Blue/Bloomberg via Getty Images

An attendee holds a sign in support of Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, not pictured, at a campaign event in New York, U.S., on Wednesday, April 13, 2016. Sanders stepped up his feud with General Electric Co., denouncing the manufacturer as 'greedy' and accusing Chief Executive Officer Jeffrey Immelt of not being truthful in responding to the attacks. Photographer: Victor J. Blue/Bloomberg via Getty Images

NEW YORK, NEW YORK - APRIL 13: Rosario Dawson speaks onstage at a campaign event for Democratic presidential candidate U.S. Senator Bernie Sanders (not pictured) at Washington Square Park on April 13, 2016 in New York City. (Photo by D Dipasupil/WireImage)

NEW YORK, NY - APRIL 13: Film director Spike Lee attends the Bernie Sanders rally in Washington Square Park on April 13, 2016 in New York City. (Photo by Mireya Acierto/FilmMagic)

U.S. Democratic presidential candidate Bernie Sanders addresses supporters at his campaign rally in Washington Square Park in the Greenwich Village neighborhood of New York City, April 13, 2016. REUTERS/Brendan McDermid

U.S. Democratic presidential candidate Bernie Sanders addresses supporters at his campaign rally in Washington Square Park in the Greenwich Village neighborhood of New York City, April 13, 2016. REUTERS/Brian Snyder